You must purchase 2-3 gauges to get the 45% off. Only 1 boost gauge can be purchased per bundle (Which must be selected under the 1st gauge type).
Stri V2 warning gauges offer full function, features, and extreme accuracy. Driven by rugged stepper motor, control by advance microprocessor, V2 is the latest technology in precise monitoring device. V2 gauge series is equipped with laboratory grade sending units. All electrical pressure sensors are temperature compensated for highest accuracy.